“Alpha alerts me through smell, 20 to 40 minutes sooner than I know anything is wrong. He has saved my life multiple times, especially at night, when low blood sugar can be super dangerous,” the 16-year-old said.

Alpha is a well-known presence at the high school, so much so that he even has a school identification card.

“I contacted a friend of mine who is in yearbook, and we brought it up to the teachers and they were 100 percent supportive,” A.J. told Huffington Post.